When This Spirit Attacks (Lv. 1-2): ASSAULT (2) During this turn for the number of times stated above, you can exhaust one Nexus in order to refresh this Spirit. When This Spirit Attacks (Lv. 2): Destroy an opposing Spirit with a Core Cost of 4 or less; your opponent must now discard a number of cards from his/her deck equal to the Core Cost of the destroyed Spirit.